1. Alexandre D, Ouedraogo SJ (1992) Variations in root morphology of Faidherbia albida in relation to soil and agronomic effects. In: Vandenbeldt RJ (ed) Faidherbia albida in the West African semi-arid tropics: proceedings of a workshop. 22-26 Apr 1991. International Crops Research Institute for the Semi-Arid Tropics, Niamey, Niger Patancheru, India and
2. Alexandre D, Ouedraogo SJ (1992) Variations in root morphology of Faidherbia albida in relation to soil and agronomic effects. In: Vandenbeldt RJ
3. (ed) Faidherbia albida in the West African semi-arid tropics: proceedings of a workshop. 22-26 Apr 1991. International Crops Research Institute for the Semi-Arid Tropics, Niamey, Niger Patancheru, India and; International Centre for Research in Agroforestry, Nairobi. Kenya, pp 107-110
4. Baillie MGL, Pilcher JR (1973) A simple cross dating program for tree-ring research. Tree Ring Bull 33: 7–14
5. Bayala J, Sanou J, Teklehaimanot Z, Kalinganire A, Ouedraogo SJ (2014) Parklands for buffering climate risk and sustaining agricultural production in the Sahel of West Africa. Curr Opin Environ Sustain 6:28–34